Elevator 245 250 - Study guides, Class notes & Summaries

Elevator 245-250What is the max speed used with V grooves? - correct answer 500fpm How do you determine the gear ratio? - correct answer By dividing the number of threads on the gear by the number of teeth on the ring gear What is the main benefit of using the V groove? - correct answer Prevents rope from slipping out of the groove What type of grove is cut into the drive sheave to increase the traction between the machine sheave and rope without double wrapping? - correct answer V groo...

Elevator 245-250 Exam 93 Questions with Verified Solutions for 2024..Elevator 245-250 Exam 93 Questions with Verified Solutions for 2024..

Elevator 245-250 Questions and answers

Elevator 245-250 Exam Latest 2024 Updated Answers.Elevator 245-250 Exam Latest 2024 Updated Answers.Elevator 245-250 Exam Latest 2024 Updated Answers.

A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - ANS 100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - ANS Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is the issue? - ANS Suicide Circuit - 425 You have an old DC motor and are ad...

TEST BANK FUNDAMENTALS OF PHYSICS OBJECTIVE BY ROBERT RESNICK, JEARL WALKER, J. CHRISTMAN, KENNETH BROWNSTEIN Chapter 1: MEASUREMENT 1. The SI standard of time is based on: A. the daily rotation of the earth B. the frequency of light emitted by Kr86 C. the yearly revolution of the earth about the sun D. a precision pendulum clock E. none of these Ans: E 2. A nanosecond is: A. 109 s B. 10−9 s C. 10−10 s D. 10−10 s E. 10−12 Ans: B 3. The SI standard of length is based on: ...

1. Discrepancy between anatomical sex and gender is known as? 2. Which of the following are risk factors for neuroleptic malignant syndrome? Select all that apply 3. Antipsychotic medication provides D2 blockage in the meso-coritcal pathway causing which of the fol- lowing effects? 4. Phencyclidine (PCP) and ketamine exert their unique behavioral effects by blocking which of the following receptors? 5. The diagnosis used to describe a syndrome charac- terized by speci...

1. Discrepancy between anatomical sex and gender is known as? 2. Which of the following are risk factors for neuroleptic malignant syndrome? Select all that apply 3. Antipsychotic medication provides D2 blockage in the meso-coritcal pathway causing which of the fol- lowing effects? 4. Phencyclidine (PCP) and ketamine exert their unique behavioral effects by blocking which of the following receptors? 5. The diagnosis used to describe a syndrome charac- terized by speci...

Elevator 245-250 Questions and answers